21315632

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7883}}^1$

素因数の和:7917

約数の個数: 30

約数和(自身を含む): 44725932

約数和(自身を除く): 23410300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7883, 15766, 31532, 63064, 102479, 126128, 204958, 409916, 819832, 1332227, 1639664, 2664454, 5328908, 10657816, 21315632]

約数ペア:

[(1, 21315632), (2, 10657816), (4, 5328908), (8, 2664454), (13, 1639664), (16, 1332227), (26, 819832), (52, 409916), (104, 204958), (169, 126128), (208, 102479), (338, 63064), (676, 31532), (1352, 15766), (2704, 7883)]